Patent US3075171A successfully refreshed from Google Patents.
US3075171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote control receiver
Assignee: RCA Corp
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Filing: 1959-06-15
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Granted: 1963-01-22
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Expires: 1979-06-15
Abstract
No abstract record available.
Inventors
- 👤 Robert B Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:18
CPC Classifications
H; H03; H03G; H03G1/00; H03G1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
IN A REMOTE CONTROL RECEIVER OF THE TYPE WHICH IS RESPONSIVE TO A TRANSMITTED CONTROL SIGNAL OF A PREDETERMINED FREQUENCY FOR ACTUATING A CONTROL CIRCUIT AND WHICH INCLUDES A SIGNAL TRANSLATING CHANNEL HAVING A VARIABLE GAIN AMPLIFIER, AND A CONTROL CIRCUIT COUPLED TO SAID SIGNAL TRANSLATING CHANNEL FOR ACTUATION BY A RECEIVED SIGNAL OF SAID PREDETERMINED FREQUENCY, THE COMBINATION OF MEANS PROVIDING A FIRST DETECTOR IN SAID SIGNAL TRANSLATING CHANNEL FOR DERIVING A FIRST CONTROL VOLTAGE AS A FUNCTION OF SIGNAL ENERGY IN A WIDE FREQUENCY BAND, MEANS PROVIDING A SECOND DETECTOR IN SAID SIGNAL TRANSLATING CHANNEL FOR DERIVING A SECOND CONTROL VOLTAGE AS A FUNCTION OF SIGNAL ENERGY IN A NARROW BAND OF FREQUENCIES WHITHIN SAID WIDE BAND OF FREQUENCIES, SAID NARROW BAND OF FREQUENCIES INCLUDING SAID PREDETERMINED FREQUENCY, AND MEANS FOR APPLYING SAID FIRST AND SECOND CONTROL VOLTAGES TO SAID VARIABLE GAIN AMPLIFIER TO CONTROL THE GAIN THEREOF AS AN INVERSE FUNCTION OF RECEIVED SIGNAL ENERGY LEVEL.
Claim 2
Dependent Claim
159 words
IN A REMOTE CONTROL RECEIVER OF THE TYPE WHICH IS RESPONSIVE TO A TRANSMITTED CONTROL SIGNAL OF A PREDETERMINED FREQUENCY FOR ACTUATING A CONTROL CIRCUIT AND WHICH INCLUDES A SIGNAL TRANSLATING CHANNEL HAVING A VARIABLE GAIN AMPLIFIER, AND A CONTROL CIRCUIT COUPLED TO SAID SIGNAL TRANSLATING CHANNEL FOR ACTUATION BY A RECEIVED SIGNAL OF SAID PREDETERMINED FREQUENCY, THE COMBINATION OF MEANS PROVIDING A FIRST DETECTOR IN SAID SIGNAL TRANSLATING CHANNEL FOR DERIVING A FIRST CONTROL VOLTAGE AS A FUNCTION OF SIGNAL ENERGY IN A WIDE FREQUENCY BAND, MEANS PROVIDING A SECOND DETECTOR IN SAID SIGNAL TRANSLATING CHANNEL FOR DERIVING A SECOND CONTROL VOLTAGE AS A FUNCTION OF SIGNAL ENERGY IN A NARROW BAND OF FREQUENCIES WHITHIN SAID WIDE BAND OF FREQUENCIES, SAID NARROW BAND OF FREQUENCIES INCLUDING SAID PREDETERMINED FREQUENCY, AND MEANS FOR APPLYING SAID FIRST AND SECOND CONTROL VOLTAGES TO SAID VARIABLE GAIN AMPLIFIER TO CONTROL THE GAIN THEREOF AS AN INVERSE FUNCTION OF RECEIVED SIGNAL ENERGY LEVEL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |